feat(kernel): provide default impl for Port::{enable, disable}_interrupt_line returning NotSupported

Author: yvt

src/constance/src/kernel.rs

@@ -297,10 +297,14 @@ pub unsafe trait Port: KernelCfg1 {
     fn is_interrupt_context() -> bool;
 
     /// Enable the specified interrupt line.
-    unsafe fn enable_interrupt_line(line: InterruptNum) -> Result<(), EnableInterruptLineError>;
+    unsafe fn enable_interrupt_line(_line: InterruptNum) -> Result<(), EnableInterruptLineError> {
+        Err(EnableInterruptLineError::NotSupported)
+    }
 
     /// Disable the specified interrupt line.
-    unsafe fn disable_interrupt_line(line: InterruptNum) -> Result<(), EnableInterruptLineError>;
+    unsafe fn disable_interrupt_line(_line: InterruptNum) -> Result<(), EnableInterruptLineError> {
+        Err(EnableInterruptLineError::NotSupported)
+    }
 }
 
 /// Methods intended to be called by a port.

src/constance_port_std/src/lib.rs

@@ -307,20 +307,6 @@ impl State {
     pub fn is_interrupt_context(&self) -> bool {
         false
     }
-
-    pub fn enable_interrupt_line(
-        &self,
-        _line: InterruptNum,
-    ) -> Result<(), EnableInterruptLineError> {
-        todo!()
-    }
-
-    pub fn disable_interrupt_line(
-        &self,
-        _line: InterruptNum,
-    ) -> Result<(), EnableInterruptLineError> {
-        todo!()
-    }
 }
 
 #[macro_export]
@@ -366,14 +352,6 @@ macro_rules! use_port {
             fn is_interrupt_context() -> bool {
                 PORT_STATE.is_interrupt_context()
             }
-
-            unsafe fn enable_interrupt_line(line: $crate::InterruptNum) -> Result<(), $crate::EnableInterruptLineError> {
-                PORT_STATE.enable_interrupt_line(line)
-            }
-
-            unsafe fn disable_interrupt_line(line: $crate::InterruptNum) -> Result<(), $crate::EnableInterruptLineError> {
-                PORT_STATE.disable_interrupt_line(line)
-            }
         }
 
         fn main() {